Dutch cyclist Annemiek van Vleuten suffered a severe concussion and three small fractures to her spine after flying over her handlebars and landing on the curb. She was leading the race at the time of the crash.

After winning gold in the 100m breaststroke, American swimmer Lilly King wagged her finger at Russian competitor Yulia Efimova, who had been allowed to compete despite being previously suspended for doping.

The Rio's outdoor diving pool turned from a clear, light blue to a murky green. Olympic organizers announced that tests had shown the water posed no risk to athletes, and diving events continued as planned.

A picture taken on Aug. 10, 2016 at the Maria Lenk Aquatics Stadium in Rio de Janeiro shows the Water Polo (L) pool and the diving pool of the Rio 2016 Olympic Games.
Photo credit: AFP/Getty Images

Armenian weightlifter Andranik Karapetyan's Olympic dreams came to a heartbreaking end Wednesday evening when his left elbow hyperextended while attempting to lift 195kg (429.9 lbs). (Warning: graphic content)

American swimmer Katie Ledecky dominated her swimming events. She won gold after breaking her own world record in the 400m freestyle, and then won the 200m freestyle and was golden again in the 4x200m freestyle relay. Ledecky finished her Games by shattering her own world record in the 800m freestyle, finishing a whopping 11.38 seconds ahead of the silver medalist.

Michael Phelps won five more gold medals and a silver in Rio. The first four golds came in the 4x100m freestyle relay, the 200m butterfly, the 4x200m freestyle relay and the 200m IM. Phelps couldn't help but finish off his Rio Games with just one more gold medal. He teamed up with Ryan Murphy, Cody Miller and Nathan Adrian to secure gold in the 4x100m medley relay, giving him 23 gold medals in his illustrious career.